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风力机叶片吸能防冰涂料的实验研究

Experimental Study on Energy-Absorbing Anti-Icing Coating for Wind Turbine Blades
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摘要 针对风力机叶片在冬季易发生覆冰的问题,研发了一种具备吸能功能的风力机叶片防冰涂料,可以通过吸收一定波长的光发热,提升涂料表面的温度,使涂料与表面覆冰之间的界面发生融化,从而让冰层从风力机叶片表面脱落,实现叶片防冰。通过反应制备得到吸能颜料,并与成膜基体、耐磨填料等材料混合,制备得到吸能涂料;对比涂覆该涂料的叶片与普通叶片的覆冰情况,发现该涂料可降低叶片表面覆冰速率12.8%,缩短覆冰时间50%;此外,通过开展耐磨性实验,发现该涂料耐磨性为2.81 L/μm,优于叶片原本涂料耐磨性(1.95 L/μm)。以上结果表明,该涂料可降低叶片表面覆冰速率,缩短叶片表面覆冰时间,且耐磨性更好,使用寿命更长。 Aiming at the problem that wind turbine blade are prone to icing in winter,a new kind of wind turbine blade anti-icing coating with energy absorption function is developed.The coating of blade anti-icing can absorb a certain wavelength of light and turn it into heat to raise the temperature of the paint surface,which melts the interface between the paint and the ice and let the ice fall off the wind turbine blade.The energy-absorbing pigment is prepared by chemical reaction,and mixed with film forming matrix,wear-resistant filler and other materials to produce energy-absorbing coating.By comparing the icing condition of the anti-icing blade with the ordinary blade,it is found that the coating could reduce the icing rate of the blade by 12.8%and shorten the icing time by 50%.In addition,the wear resistance test shows that the wear resistance of the coating is 2.81 L/μm,which is better than that of the original coating on the blade(1.95 L/μm).The above results show that the coating could reduce the ice coating rate and shorten the ice coating time of the blade,and had better wear resistance and longer service life.
作者 潘碧宸 陈宝辉 唐壮 PAN Bichen;CHEN Baohui;TANG Zhuang(National key Laboratory of Disaster Prevention&Reduction for Power Grid,Changsha 410129,China)
出处 《湖南电力》 2024年第2期129-133,共5页 Hunan Electric Power
基金 国网湖南省电力有限公司科技项目(5216AF210008)。
关键词 风力机叶片 吸能 涂料 覆冰 耐磨性 wind turbine blade energy absorption coating icing wear resistance
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